The ACD is a body created in 2002 to promote Asian cooperation at a continental level and to help integrate separate regional cooperation organizations such as ASEAN, SAARC and the (Persian) Gulf Cooperation Council.
During the meeting, the two discussed issues of mutual interest as well as the latest regional and international developments.
They also stressed the need to boost Tehran-Bangkok relations in all areas.
The ACD summit is attended by leaders and senior officials from about 20 members states.
It grouped Iran, Thailand, China, Indonesia, Malaysia, Japan, South Korea, Laos, Myanmar, Vietnam, the Philippines, Singapore, Cambodia, Brunei, Mongolia, Bhutan, India, Pakistan, Bangladesh, Sri Lanka, Kazakhstan, Kirgizstan, Tajikistan, Uzbekistan, Saudi Arabia, Kuwait, Qatar, Oman, the United Arab Emirates, Bahrain and Syria.